Montana Topo Map Index

MT state topographic maps

Montana Topographic Index Map: 1:24,000 Scale

Montana topographic maps

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These topographic index maps for Montana state are provided by the U.S. Geological Survey (USGS) for map sheet identification. To locate the USGS topo quad in Montana that you are trying to find, look at the index map of the appropriate map scale.

1:24,000 scale Montana topo quads

The index map above is for Montana topo quads at 1:24,000 scale. It is zoomable, and you can find the name of the 1:24,000 scale map (sometimes abbreviated as "24k") written diagonally across rectangular boxes that define the borders of the individual 24k map sheets.

Note that a rare few of the 1:24,000 scale (aka 7.5 minute) maps in Montana state might actually be at 1:25,000 scale, which is a very minor difference in map scale. Some of these 1:25,000 scale maps also cover a larger area than regular 7.5 minute maps.
Those maps are 7.5´x15´ topo quads, and can be identified on the index map above by a larger sized rectangle that is twice as wide as usual (covers twice the longitude). The map names for these sheets are labelled horizontally, not diagonally.

1:250,000 scale Montana topo quads

Below you can find the 1:250,000 index map for Montana state. These topo maps give a general overview of an area and cover a large area: 1° latitude by 2° longitude. A list of all Montana topo map sheets at 250k follows on the right.

1:100,000 scale Montana topo quads

Below you can find the 1:100,000 index map for Montana state. These topo maps give a more detailed overview of an area and cover a medium-sized area: 0.5° latitude by 1° longitude. A list of all Montana topo map sheets at 100k follows on the right.